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Structure and function
Function
3
33 | 94
Building Technologies
A6V10209291_h_en_--
Fire Safety
2016-03-03
Information displayed on the
detector exchanger and tester
Meaning
Measures
'No deviation'
Normal, no fault is present
The detector is fully functional
None
'maybe excha.'
1
Observe information
The detector is fully functional
Slightly soiled
Check cause during periodic maintenance
'advice excha.'
1
Replacement recommended
Detector is still functional, in spite of minor
problems:
Average soiling
Untypical sensor values caused by
environmental influence
Remedy the cause during the next
maintenance
Replace detector if necessary
'needed excha.'
1
Replacement necessary
Detection possibly restricted; alarming is still
possible:
Heavily soiled, failure of one optical sensor
Failure of one or both thermal sensors
Failure of CO sensor for CO-supported
parameter set selected. The detector is
however still functioning as FDOOT.
Inform maintenance service
Replace detector
Any fault message
2
Supply error
Check detector line voltage
Replace detector
Software error (Watchdog error)
Replace detector
Memory error
Replace detector
Communication error involving detector and
control panel
Remedy cause
1
The information displayed on the detector exchanger and tester is always in
English; no translation into the corresponding language.
2
This status can be displayed together with other statuses, e.g. 'needed excha.'
(replacement necessary).
See also